Tobi Amusan was born on the 23 of April 1997 in Ijebu Ode Nigeria , had her secondary school at our lady of Apostles Secondary School Ogun State and further went to University of Texas at El paso for her masters degree in Leadership Studies and Sports Management. She is a track and field athlete who specialises in 100 metres hurdles and also competes as a sprinter. In 2015, she won the gold medal in 100 metres hurdles at African junior championships; in 2021 Amusan became the first Nigerian athlete to win a diamond league title as she took the 100m hurdles trophy.
She  is the current world record holder in the 100 metres hurdles with a time of 12.12 seconds which she set at the 2022 women’s 100m hurdles semi final in Eugene Oregon. She became the first ever Nigerian world champion and world record holder in an athletics event. She is also a two-time African Games champion in the event and a diamond league champion in 100 metres hurdles having won the final in 12.33 seconds achieving a winning streak in 2021, 2022 and 2023